Slimefoot and Squee | Sprouting Thrinax | Phyrexian Altar

Cards

Activate
Phyrexian Altar twice by sacrificing Sporuting Thrinax and
Slimefoot and Squee, adding ({1} magic symbol) ({B} magic symbol) .
When
Sprouting Thrinax dies, it triggers, creating three 1/1 Saproling creature tokens.
Activate
Phyrexian Altar by sacrificing two Saprolings, adding ({R} magic symbol) ({G} magic symbol) .
Activate
Slimefoot and Squee by paying ({1} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) and sacrificing a Saproling, returning it and
Sprouting Thrinax from your graveyard to the battlefield.
When
Slimefoot and Squee enter the battlefield, it triggers, creating a 1/1 Saproling creature token.
Repeat.